| Skin disorder | Abnormality |
|---|
| Ehlers-Danlos syndrome | Collagen and the extracellular matrix |
| Dystrophic epidermolysis bullosa | Type VII collagen |
| Pseudoxanthoma elasticum | Elastic tissue |
| Xeroderma pigmentosum | DNA repair |
| Simple epidermolysis bullosa | Keratins 5 and 14 |
| Epidermolytic hyperkeratosis | Keratins 1 and 10 |
| Palmo-plantar keratoderma | Keratins 9 and 16 |
| Junctional epidermolysis bullosa | Laminins |
| X-linked recessive ichthyosis | Steroid sulfatase |
| Ichthyosis vulgaris | Filaggrin in stratum corneum |
| Darier's disease | Epidermal cell adhesion |
| Albinism (tyrosinase negative type) | Tyrosinase |